I've been thinking about the bit you quoted for a couple hours, and I finally read the whole article. It kind of makes me angry, because parents have been finding ways to tune out their children long before the smartphone came along. The article tries to explain that this time it's different, but I'm not convinced.
One of my mom's favorite stories is putting me in a baby walker like this:
She swears the moment she turned her back zoom I went down the stairs ha ha ha. I hate that story.